Journal Paper

• Ririka SAWADA, Mitsutaka OZAKI, Kazuhisa YAJIMA, Shinji ANDO. Relationships between Molecular Structure and Optical, Dielectric, and Thermal Properties of Novel Semi-alicyclic Polyimides Containing Bio-derived Isohexides, Proc. STEPI, Vol. 12, No. 1, pp. 71-78, July 2024.
• Ririka Sawada, SHINJI ANDO. 芳香族･半芳香族ポリイミドの高周波域 (10 GHz) における誘電特性の分極解析と湿度依存性, ポリイミド最近の進歩2024, 日本ポリイミド・芳香族系高分子会議 編, Vol. 31, pp. 39-44, June 2024.
• Haonan LIU, Ririka SAWADA, Shana YANAGIMOTO, Yoshiyuki YANAGIMOTO, Shinji ANDO. Frequency-Dependent Dielectric Properties of Aromatic Polyimides in the 25-330 GHz Range, Appl. Phys. Lett., American Physical Society, Vol. 124, p. 232903, June 2024.  Official location  
• Ririka SAWADA, Kazuhisa YAJIMA, Atsuhide TAKAO, Haonan LIU, Shinji ANDO. Thermal, Optical, and Dielectric Properties of Bio-based Polyimides Derived from an Isosorbide-containing Dianhydride and Diamines with Long Alkyl Chains, J. Photopolym. Sci. Technol., Vol. 37, No. 5, pp. 507-516, June 2024.
• Ririka SAWADA, Shinji ANDO. Polarization Analysis and Humidity Dependence of Dielectric Properties of Aromatic and Semialicyclic Polyimides Measured at 10 GHz, J. Phys. Chem. C, American Chemical Society, Vol. 128, No. 16, pp. 6979-6990, Apr. 2024.  Official location  

International Conference (Not reviewed / Unknown)

• Natsuko SASHI, Erina YOSHIDA, Hayato MAEDA, Kan HATAKEYAMA, Yuta NABAE, Ririka SAWADA, Shinji ANDO, Teruaki HAYAKAWA. Synthesis and Dielectric Properties of Polyimides Including Double-Decker Silsesquioxane (DDSQ) in the Main Chain, Polycondensation 2024, Polycondensation 2024, Sept. 2024.
• Ririka SAWADA, Haonan LIU, Shinji ANDO. Polarization Analysis and Humidity Dependence of Dielectric Properties of Aromatic/Semi-Aromatic Polyimides at 10 GHz, Polycondensation 2024, Polycondensation 2024, Sept. 2024.
• Haonan LIU, Ririka SAWADA, Shana YANAGIMOTO, Yoshiyuki YANAGIMOTO, Shinji ANDO. Dielectric Properties of Various Polyimides in the mmWave Range, Polycondensation 2024, Polycondensation 2024, Sept. 2024.
• Shinji ANDO, Ririka SAWADA, Haonan LIU. Anisotropic Polarization Analysis and Humidity Dependence of Dielectric Properties of Polyimides for 5G/6G Wireless Applications, 2024 Itnl.Polyimide Conf Beijing, 2024 Itnl.Polyimide Conf Beijing, Vol. 1, p. 21, June 2024.
• Haonan LIU, Ririka SAWADA, Shana YANAGIMOTO, Yoshiyuki YANAGIMOTO, Shinji ANDO. Dielectric Dispersion of Polyimides in the Millimeter Wave Frequency (25-330 GHz) Range, 2024 Itnl.Polyimide Conf Beijing, 2024 Itnl.Polyimide Conf Beijing, Vol. 1, p. 44, June 2024.
• Ririka SAWADA, Kazuhisa YAJIMA, Atsuhide TAKAO, Haonan LIU, Shinji ANDO. Thermal, Optical, and Dielectric Properties of Bio-based Polyimides derived from an Isosorbide-containing Dianhydride and Diamines with Long Alkylchains, Photopolym. Sci. Technol. Conf., Photopolym. Sci. Technol. Conf., Vol. 37, No. 5, pp. 507-516, June 2024.

Domestic Conference (Not reviewed / Unknown)

• Yoshiyuki Tsurusaki, Ririka Sawada, Haonan Liu, SHINJI ANDO. イソソルビド骨格を有するバイオベースポリイミドの諸物性へのPEG添加効果, 高分子学会, 高分子学会予稿集, Vol. 73, No. 1, p. 3L07, June 2024.
• Natsuko Sashi, Erina Yoshida, Hayato Maeda, Kan Hatakeyama, Yuta Nabae, Ririka Sawada, SHINJI ANDO, Teruaki Hayakawa. ダブルデッカーシルセスキオキサン含有ポリイミドの合成と誘電特性, 高分子学会, 高分子学会予稿集, Vol. 73, No. 1, p. 1E16, June 2024.
• SHINJI ANDO, Ririka Sawada, Haonan Liu. 高周波域（10, 25～330 GHz）における芳香族ポリイミドの誘電特性, 高分子学会フォトニクスポリマー研究会, 高分子学会フォトニクスポリマー研究会, Vol. 24, No. 1, pp. 9-12, June 2024.
• Ririka Sawada, Haonan Liu, SHINJI ANDO. イソソルビド骨格を有するバイオベースポリイミドの諸物性へのPEG添加効果, 高分子学会, 高分子学会予稿集, Vol. 73, No. 1, p. 3L08, June 2024.
• Haonan LIU, Ririka SAWADA, Shana YANAGIMOTO, Yoshiyuki YANAGIMOTO, Shinji ANDO. Correlation between the Molecular Structures and Frequency-Dependent Dielectric Properties of Aromatic Polyimides in the 25-330 GHz Range, 高分子学会, 高分子学会予稿集, 73, 1, 1J16, June 2024.
• Haonan Liu, Ririka Sawada, Shana YANAGIMOTO, Yoshiyuki YANAGIMOTO, SHINJI ANDO. 25-330 GHz における各種ポリイミドの誘電分散と双極子・電子分極との関係, 応用物理学会春季学術講演会, 応用物理学会春季学術講演会予稿集, Vol. 71, No. 1, pp. 11-458, Mar. 2024.

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